CN106500525A - A kind of cast aluminium composition metal heat-exchanger rig and preparation method thereof - Google Patents
A kind of cast aluminium composition metal heat-exchanger rig and preparation method thereof Download PDFInfo
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- CN106500525A CN106500525A CN201611107012.XA CN201611107012A CN106500525A CN 106500525 A CN106500525 A CN 106500525A CN 201611107012 A CN201611107012 A CN 201611107012A CN 106500525 A CN106500525 A CN 106500525A
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- Prior art keywords
- heat
- exchanger rig
- cast aluminium
- composition metal
- radiated rib
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0063—Casting in, on, or around objects which form part of the product finned exchangers
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of cast aluminium composition metal heat-exchanger rig, the framework being connected including heat pipe and with heat pipe, the radiated rib that the framework is included housing and is fixedly connected with housing, the both sides of the radiated rib connect adjacent heat conduction tube wall respectively.The present invention relates to heat-exchanger rig field, radiated rib is arranged on housing, radiated rib and housing directly contact, housing can be that radiated rib transmits heat conduction, increase heat-conducting area, and heat transfer effect is more preferably.The both sides of radiated rib connect adjacent heat conduction tube wall respectively, and same radiated rib can increase heat exchange area for adjacent two sections of heat pipes simultaneously, reduce the overall volume of heat exchanger.During use, multiple cast aluminium composition metal heat-exchanger rig assembled side-by-sides constitute heat exchanger, the continuous face for rising and falling is constituted between radiated rib and heat exchanger tube so that repeatedly form turbulent flow or vortex when heat transferring medium is flowed through, so that the surface of heat exchanger tube and radiated rib is less scaling.
Description
Technical field
The present invention relates to heat-exchanger rig field, more particularly, to a kind of cast aluminium composition metal heat-exchanger rig and its making
Method.
Background technology
In the production such as oil refining, chemical industry, most of technical process has the process of heating, cooling and condensation, these
Process is collectively referred to as heat transfer process.The carrying out of heat transfer process needs certain equipment to complete, and these are achieved heat transfer process
Equipment be referred to as heat exchanger.
The heat exchanger in traditional evaporation cooling technique field is made using metallic plate pipe, pipe, corrosion and scaling, swollen
Split, the unfavorable factor such as heat exchange efficiency is low, volume is big, weight overload is comprehensively present.Especially in semi-conductor industry and microelectron-mechanical
Under the drive of system, people develop extensive and super large-scale integration and meet technical requirements.Collection with electronic device
Into degree more and more higher, power consumption and caloric value also improve constantly and the physical size moon less and less, traditional heat transmission equipment not only exists
Heat transfer effect still can not all meet its cooling requirements on heat transfer space, and volume is big, take up room big, be not easy to transport
Defeated.
It is multiple with heat-conducting plastic that China Patent Publication No. CN102109291B disclosed a kind of metal on November 13rd, 2013
Micro- heat exchanger is closed, the housing that insulation effect is cased with outside heat exchanger is specifically disclosed, inner plate is protected, and fluid is collected in distribution
End socket be welded on housing, the cold fluid and hot fluid turnover mouth of pipe is welded on end socket, and concrete structure can be arranged as required to, internal flat
Plate includes metal basal board and plastics micro structure, metal as heat-conducting substrate, the heat-conducting plastic with micro structure by hot padding or
Microinjection is compound on metallic substrates, and inner plate is combined with each other for multilamellar, is combined with each other by multilayer composite sheet stacking,
Form cube multi-layered fluid channel system；The plastics micro structure is sequential like or discrete shape, and size is hundreds of individual micro-
Rice, forms micro- fin or plays microchannel or the granule protrusion of segmentation fluid matasomatism；Metal as substrate is aluminum or copper, leads
Thermoplastic materialss are CoolPoly heat-conducting plastics；Wherein sequential like micro structure is processed into straight or waveform microchannel, flows through this layer
Fluid is evenly distributed in plate face, realizes that strict cross-flow or adverse current, waveform conduit opposing straight conduit make fluid change stream
To and there is Secondary Flow and boundary layer separation, its augmentation of heat transfer effect is more excellent；The cylinder of discrete type micro structure is processed into, works as stream
Body is formed when streaming barrier and is vortexed, and destroys original flow boundary layer, increases turbulent extent, augmentation of heat transfer.But, the structure will
Many thin plates with microchannel are stacked, though increasing heat transfer area, the thin plate of intensive setting instead results in heat
Air is difficult to discharge, and heat transfer effect is poor, and easily fouling and is difficult to clean, and the manufacturing process of heat exchanger is more multiple
Miscellaneous, it is unfavorable for producing in batches.Therefore, it is necessary to further improve.
Content of the invention
The present invention is at least one not enough described in above-mentioned prior art for overcoming, there is provided a kind of simple and reasonable, corrosion resistant
Erosion, ant-scaling, high-conductivity, coefficient of heat transfer height, the cast aluminium composition metal heat-exchanger rig of dependable performance, another object of the present invention
It is the manufacture method that the cast aluminium composition metal heat-exchanger rig is provided.
In order to solve above-mentioned technical problem, the present invention adopts following technical proposals：
A kind of cast aluminium composition metal heat-exchanger rig, the framework being connected including heat pipe and with heat pipe, the framework include housing
And the radiated rib being fixedly connected with housing, the both sides of the radiated rib connect adjacent heat conduction tube wall respectively.
The cast aluminium composition metal heat-exchanger rig of the present invention is arranged at radiated rib on housing, and radiated rib is direct with housing
Contact, housing can be that radiated rib transmits heat conduction, increase heat-conducting area, and heat transfer effect is more preferably.The both sides difference of radiated rib
The adjacent heat conduction tube wall of connection, same radiated rib can increase heat exchange area for adjacent two sections of heat pipes simultaneously, reduce and change
The overall volume of hot device.During use, multiple cast aluminium composition metal heat-exchanger rig assembled side-by-sides constitute heat exchangers, radiated rib with change
The continuous face for rising and falling is constituted between heat pipe so that repeatedly form turbulent flow or vortex when heat transferring medium is flowed through, due to heat transferring medium
This flow behavior exchange heat pipe and radiated rib are formed to clash into and cause the surface of heat exchanger tube and radiated rib less scaling, and
Cleaning easy to disassemble.
As housing and radiated rib directly contact, the framework are integrally formed using techniques such as shell moulded castings, framework is straight
Connect and be cast on heat pipe, process is simple, it is possible to achieve mass production is manufactured.The cast aluminium obtained using shell mold process is multiple
Close that metal heat exchanging device is clear-cut, any surface finish, accurate size, do not need machining or only a small amount of process, reduce metal
The waste of material, and shell moulded casting can meet simultaneously the present invention cast aluminium composition metal heat-exchanger rig to produce in enormous quantities and
The requirement of production thin-section casting.Heat pipe is placed in hollow mould as inserts, obtains product after the completion of casting, it is not necessary to
Heat pipe is linked together with radiated rib using other processing technique, the step of reduce assembling, shorten production and processing
Time and save cost of labor, it is often more important that, framework is directly cast on heat pipe, shape between radiated rib and heat pipe
Contact into face, contact coefficient is compared linear contact lay and lifts more than six times, and thermal contact resistance is reduced to 1/6th, be obviously improved heat exchange effect
Really；Heat pipe is consistent with the material of radiated rib joint portion and the material of radiated rib so that the two preferably can merge, and enter
One step reduces thermal resistance, improves heat exchange efficiency.
In order to improve the heat conductivity and corrosion resistance of heat exchanger tube, the heat pipe is stainless steel component or carbon steel component, no
Rust steel and carbon steel had both remained the excellent heat conductivility of metal, had good corrosion resistance again, met heat exchanger tube to heat conductivity
Demand with corrosion resistance.In order to improve the corrosion resistance of framework, the framework is aluminum alloy frame, and aluminium alloy not only has good
Good corrosion resistance, and the characteristics of there is light weight, significantly reduce the weight of heat-exchanger rig, be easily installed and transport.
In order to further enhance the corrosion resistance of heat-exchanger rig, the heat conduction pipe surface is provided with the protective coating with acid group,
Acid ion can effectively prevent heat conduction pipe surface from spot corrosion occurring, and improve the corrosion resistance of heat pipe；The aluminum alloy frame is adopted
Add the ZL301 of Ti trace element as base material, titanium has the good excellent characteristic of light weight, intensity height, resistance to corrosion, adds
Plus titanium elements can not only improve the resistance to corrosion of framework, and the intensity of framework can be improved；Add Ti trace element and
The protective coating of sclerozone acid group（120 μm of coating layer thickness）Afterwards, anticorrosive rating can reach C5 ranks, can apply to coastal
In the more severe place of salt mist environment, health.
In the base material of the aluminum alloy frame, the mass fraction of Ti trace element is 1.2 ~ 1.5%.
The manufacture method of the cast aluminium composition metal heat-exchanger rig, comprises the steps：
S1. in heat pipe being placed in the hollow mould for producing framework as inserts；
S2. motlten metal is injected in mould；
S3. cooling annealing molding, obtains the cast aluminium composition metal heat-exchanger rig.
In step S1, the heat pipe is placed in before the hollow mould for producing framework as inserts, at 700 ~ 800 DEG C
Protective coating of the application with acid group under hot environment.
The foundry goods produced using casting technique generally has coarse grains, poor mechanical property, the defect of structure property difference, borrows
Help Technology for Heating Processing change or affect tissue and the property of foundry goods, obtain higher intensity, hardness.But the casting of the present invention
Aluminum composite metal heat-exchanger rig volume is big, complex-shaped, is also easy to produce deformation, cooling of the present invention after common annealing molding
Annealing need to have special process link, and in step S3, cooling annealing molding includes three annealing：100 DEG C are put into for the first time by 600 DEG C
Ti trace element and band acid group solution carry out secondary surface treatment annealing, complete in 120 seconds；40 are put into for the first time by 100 DEG C
DEG C hot water mould in carry out shaping middle-temperature section annealing, it is ensured that form accuracy, complete in 300 seconds；Third time is entered empty by 40 DEG C
Gas carries out natural cooling annealing, completes in 2-3 hours.
The present invention is had the advantages that compared with prior art：
1. radiated rib is arranged on housing, radiated rib and housing directly contact, and housing can be that radiated rib transmits heat conduction,
Increase heat-conducting area, heat transfer effect is more preferably.
2. the both sides of radiated rib connect adjacent heat conduction tube wall respectively, and same radiated rib can be adjacent two sections simultaneously
Heat pipe increases heat exchange area, reduces the overall volume of heat exchanger.Continuous fluctuating is constituted between radiated rib and heat exchanger tube
Face so that repeatedly form turbulent flow or vortex when heat transferring medium is flowed through, due to heat transferring medium this flow behavior exchange heat pipe and
Radiated rib is formed to clash into and causes the surface of heat exchanger tube and radiated rib less scaling.
3. heat pipe forms an entirety after casting as the inserts in framework casting process and framework, effectively reduces connecing
Tactile thermal resistance, heat radiation performance, the coefficient of heat transfer are substantially improved.
4. the protective coating of Ti trace element and sclerozone acid group is added（120 μm of coating layer thickness）Afterwards, cast aluminium composition metal
The anticorrosive rating of heat-exchanger rig can reach C5 ranks, can apply to the coastal field for waiting salt mist environment, health more severe
Institute.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Description of reference numerals：Heat pipe 100, framework 200, housing 210, radiated rib 220.
Specific embodiment
Accompanying drawing being for illustration only property explanation, it is impossible to be interpreted as the restriction to this patent；In order to the present embodiment is described more preferably, attached
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
In accompanying drawing, some known features and its explanation may be omitted and be will be understood by；Position relationship for being only used for described in accompanying drawing
Exemplary illustration, it is impossible to be interpreted as the restriction to this patent.The present invention is done further specifically with reference to specific embodiment
Bright.
As shown in figure 1, a kind of cast aluminium composition metal heat-exchanger rig, the frame being connected including heat pipe 100 and with heat pipe 100
Frame 200, the radiated rib 220 that the framework 200 is included housing 210 and is fixedly connected with housing 210, the radiated rib 220
Both sides connect adjacent 100 tube wall of heat pipe respectively.
The cast aluminium composition metal heat-exchanger rig of the present invention is arranged at radiated rib 220 on housing 210, radiated rib 220
With 210 directly contact of housing, housing 210 can be that radiated rib 220 transmits heat conduction, increase heat-conducting area, and heat transfer effect is more preferably.
The both sides of radiated rib 220 connect adjacent 100 tube wall of heat pipe respectively, and same radiated rib 220 can be adjacent two sections simultaneously
Heat pipe 100 increases heat exchange area, reduces the overall volume of heat exchanger.During use, multiple cast aluminium composition metal heat-exchanger rigs
Assembled side-by-side constitutes heat exchanger, constitutes the continuous face for rising and falling so that when heat transferring medium is flowed through between radiated rib 220 and heat exchanger tube
Turbulent flow or vortex are repeatedly formed, as this flow behavior exchange heat pipe and radiated rib 220 of heat transferring medium form shock and make
The surface for obtaining heat exchanger tube and radiated rib 220 is less scaling, and cleaning easy to disassemble.
Due to housing 210 and 220 directly contact of radiated rib, the framework 200 using the techniques such as shell moulded casting one into
Type, framework 200 are directly cast on heat pipe 100, process is simple, it is possible to achieve mass production is manufactured.Using shell moulded casting
Cast aluminium composition metal heat-exchanger rig that technique is obtained is clear-cut, any surface finish, accurate size, do not need machining or only few
Amount processing, reduces the waste of metal material, and shell moulded casting can meet the cast aluminium composition metal heat exchange dress of the present invention simultaneously
Put the requirement to producing and producing thin-section casting in enormous quantities.Heat pipe 100 is placed in hollow mould as inserts, and casting is completed
Product is obtained afterwards, it is not necessary to heat pipe 100 is linked together with radiated rib 220 using other processing technique, is reduced
The step of assembling, shorten the time of production and processing and save cost of labor, it is often more important that, framework 200 is directly cast in leads
On heat pipe 100, between radiated rib 220 and heat pipe 100 formed face contact, contact coefficient compare linear contact lay lifting six times with
On, thermal contact resistance is reduced to 1/6th, is obviously improved heat transfer effect；Heat pipe 100 and the material of 220 joint portion of radiated rib
Consistent with the material of radiated rib 220 so that the two preferably can merge, further reduce thermal resistance, improve heat exchange efficiency.
In order to improve the heat conductivity and corrosion resistance of heat exchanger tube, the heat pipe 100 is stainless steel component or carbon steel component,
Rustless steel and carbon steel had both remained the excellent heat conductivility of metal, had good corrosion resistance again, met heat exchanger tube to heat conduction
Property and the demand of corrosion resistance.In order to improve the corrosion resistance of framework 200, the framework 200 is aluminum alloy frame 200, and aluminum is closed
Gold not only have good corrosion resistance, and have light weight the characteristics of, significantly reduce the weight of heat-exchanger rig, be easily installed
And transport.
In order to further enhance the corrosion resistance of heat-exchanger rig, 100 surface of the heat pipe is provided with the protection with acid group and applies
Layer, acid ion can effectively prevent 100 surface of heat pipe from spot corrosion occurring, and improve the corrosion resistance of heat pipe 100；The aluminium alloy
Using the ZL301 of Ti trace element is added as base material, titanium has light weight, intensity height, resistance to corrosion good to framework 200
Excellent characteristic, adds the resistance to corrosion that titanium elements can not only improve framework 200, and can improve the intensity of framework 200；
Add the protective coating of Ti trace element and sclerozone acid group（120 μm of coating layer thickness）Afterwards, anticorrosive rating can reach C5 levels
Not, the coastal place for waiting salt mist environment, health more severe can apply to.
In the base material of the aluminum alloy frame 200, the mass fraction of Ti trace element is 1.2 ~ 1.5%.
The manufacture method of the cast aluminium composition metal heat-exchanger rig, comprises the steps：
S1. in heat pipe 100 being placed in the hollow mould for producing framework 200 as inserts；
S2. motlten metal is injected in mould；
S3. cooling annealing molding, obtains the cast aluminium composition metal heat-exchanger rig.
In step S1, the heat pipe 100 is placed in before the hollow mould for producing framework 200,700 as inserts
Protective coating of the application with acid group under ~ 800 DEG C of hot environments.
The foundry goods produced using casting technique generally has coarse grains, poor mechanical property, the defect of structure property difference, borrows
Help Technology for Heating Processing change or affect tissue and the property of foundry goods, obtain higher intensity, hardness.But the casting of the present invention
Aluminum composite metal heat-exchanger rig volume is big, complex-shaped, is also easy to produce deformation, cooling of the present invention after common annealing molding
Annealing need to have special process link, and in step S3, cooling annealing molding includes three annealing：100 DEG C are put into for the first time by 600 DEG C
Ti trace element and band acid group solution carry out secondary surface treatment annealing, complete in 120 seconds；40 are put into for the first time by 100 DEG C
DEG C hot water mould in carry out shaping middle-temperature section annealing, it is ensured that form accuracy, complete in 300 seconds；Third time is entered empty by 40 DEG C
Gas carries out natural cooling annealing, completes in 2-3 hours.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.All this
Any modification, equivalent and improvement that is made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of cast aluminium composition metal heat-exchanger rig, the framework being connected including heat pipe and with heat pipe, it is characterised in that described
The radiated rib that framework is included housing and is fixedly connected with housing, the both sides of the radiated rib connect adjacent heat pipe respectively
Tube wall.
2. cast aluminium composition metal heat-exchanger rig according to claim 1, it is characterised in that the framework is integrally formed.
3. cast aluminium composition metal heat-exchanger rig according to claim 2, it is characterised in that the framework is cast in heat pipe
On.
4. cast aluminium composition metal heat-exchanger rig according to claim 1, it is characterised in that the heat pipe is rustless steel structure
Part or carbon steel component, the framework are aluminum alloy frame.
5. cast aluminium composition metal heat-exchanger rig according to claim 1, it is characterised in that the heat conduction pipe surface is provided with band
The protective coating of acid group.
6. cast aluminium composition metal heat-exchanger rig according to claim 1, it is characterised in that the aluminum alloy frame is using adding
Plus the ZL301 of Ti trace element is used as base material.
7. cast aluminium composition metal heat-exchanger rig according to claim 6, it is characterised in that the base material of the aluminum alloy frame
The mass fraction of middle Ti trace element is 1.2 ~ 1.5%.
8. the method that one kind makes the cast aluminium composition metal heat-exchanger rig described in any one of claim 1 ~ 7, it is characterised in that bag
Include following steps：
S1. in heat pipe being placed in the hollow mould for producing framework as inserts；
S2. motlten metal is injected in mould；
S3. cooling annealing molding, obtains the cast aluminium composition metal heat-exchanger rig.
9. the manufacture method of cast aluminium composition metal heat-exchanger rig according to claim 8, it is characterised in that in step S1,
The heat pipe is placed in before the hollow mould for producing framework as inserts, application band under 700 ~ 800 DEG C of hot environments
The protective coating of acid group.
10. the manufacture method of cast aluminium composition metal heat-exchanger rig according to claim 8, it is characterised in that in step S3,
Cooling annealing molding includes three annealing, carries out two by 600 DEG C of Ti trace element for being put into 100 DEG C and band acid group solution for the first time
Subsurface process annealing, completed in 120 seconds；Shaping middle-temperature section is carried out in the hot water mould for being put into 40 DEG C for second by 100 DEG C to move back
Fire, it is ensured that form accuracy, completed in 300 seconds；Third time carries out natural cooling annealing by 40 DEG C of air inlets, complete in 2-3 hours
Into.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814320A (en) * | 2019-09-27 | 2020-02-21 | 中国电器科学研究院股份有限公司 | Casting method of tubular heat exchanger and tubular heat exchanger |
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| CN110814320A (en) * | 2019-09-27 | 2020-02-21 | 中国电器科学研究院股份有限公司 | Casting method of tubular heat exchanger and tubular heat exchanger |
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